<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">

    <title>进度条</title>
    <link href="bootstrap.min.css" rel="stylesheet">
</head>
<body>
    <div class="container">
        <div class="progress">
            <div class="progress-bar" role="progressbar" aria-valuemin="0" aria-valuemax="100" style="width: 30%">
                <!--<span class="sr-only">60%</span>-->
                30%
            </div>
        </div>
        <div class="progress">
            <div class="progress-bar progress-bar-success" role="progressbar" aria-valuemin="0" aria-valuemax="100" style="width: 30%">
                <!--<span class="sr-only">60%</span>-->
                30%
            </div>
        </div>
        <div class="progress">
            <div class="progress-bar progress-bar-danger" role="progressbar" aria-valuemin="0" aria-valuemax="100" style="width: 30%">
                <!--<span class="sr-only">60%</span>-->
                30%
            </div>
        </div>

        <div class="progress">
            <div class="progress-bar progress-bar-warning progress-bar-striped" role="progressbar" aria-valuemin="0" aria-valuemax="100" style="width: 30%">
                <!--<span class="sr-only">60%</span>-->
                30%
            </div>
        </div>
        <div class="progress">
            <div class="progress-bar progress-bar-striped active" role="progressbar" aria-valuemin="0" aria-valuemax="100" style="width: 30%">
                <!--<span class="sr-only">60%</span>-->
                30%
            </div>
        </div>
<!--堆叠效果-->
        <div class="progress">
            <div class="progress-bar progress-bar-striped active" role="progressbar" aria-valuemin="0" aria-valuemax="100" style="width: 30%">
                <!--<span class="sr-only">60%</span>-->
                30%
            </div>
            <div class="progress-bar progress-bar-warning active" role="progressbar" aria-valuemin="0" aria-valuemax="100" style="width: 30%">
                <!--<span class="sr-only">60%</span>-->
                30%
            </div>
            <div class="progress-bar progress-bar-success active" role="progressbar" aria-valuemin="0" aria-valuemax="100" style="width: 30%">
                <!--<span class="sr-only">60%</span>-->
                30%
            </div>
        </div>
    </div>
</body>
</html>